Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

JOHNSON RIDGE (SKKW1)

Lat: 47.79992°NLon: 121.286°WElev: 2028.0ft.

NA

42°F

6°C

Humidity 99%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 13 Apr 11:29 AM PDT
Extended Forecast for

3 Miles SSW Index WA

Winter Storm Warning April 14, 11:00am until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  • This Afternoon

    This Afternoon: Rain.  High near 42. West wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain

  • Tonight

    Tonight: Rain and snow, mainly before 5am.  Low around 36. Southwest wind around 8 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow.  High near 39. Southwest wind 9 to 11 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow.  Low around 30. West wind 7 to 14 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers, possibly mixed with rain. Some thunder is also possible.  High near 39. West wind 5 to 10 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, mainly before 11pm.  Low around 30. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow.  Partly sunny, with a high near 42. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm.  Partly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain. High near 42. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain and snow, mainly before 5am. Low around 36. Southwest wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain and snow. High near 39. Southwest wind 9 to 11 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow. Low around 30. West wind 7 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow likely before 11am, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 39. West wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, possibly mixed with rain, mainly before 11pm. Low around 30. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 32.
Friday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Partly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 52.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Index WA
 47.79°N 121.58°W (Elev. 1322 ft)
11:27 am PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database